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Re: [Qemu-devel] [PATCH v4 00/15] hw/i386/pc: Do not restrict the fw_cfg


From: Paolo Bonzini
Subject: Re: [Qemu-devel] [PATCH v4 00/15] hw/i386/pc: Do not restrict the fw_cfg functions to the PC machine
Date: Thu, 22 Aug 2019 12:28:35 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0

On 19/08/19 00:53, Philippe Mathieu-Daudé wrote:
> Hi,
> 
> This is my take at salvaging some NEMU good work.
> Samuel worked in adding the fw_cfg device to the x86-virt NEMU machine.
> This series is inspired by NEMU's commit 3cb92d080835 [0] and adapted
> to upstream style. The result makes the upstream codebase more
> modularizable.
> There are very little logical changes, this is mostly a cleanup
> refactor.
> 
> Since v3 [3]:
> - Addressed Christophe suggestion (patch #8)
> - Rebased patch #15 since Eduardo merged Like Xu's work between.
> 
> Since v2 [2]:
> - Addressed MST comments from v2 (only patch #2 modified)
>   - do not use unsigned for enum
>   - do not add unuseful documentation
> 
> Since v1 [1]:
> - Addressed Li and MST comments
> 
> $ git backport-diff -u v3
> Key:
> [----] : patches are identical
> [####] : number of functional differences between upstream/downstream patch
> [down] : patch is downstream-only
> The flags [FC] indicate (F)unctional and (C)ontextual differences, 
> respectively
> 
> 001/15:[----] [--] 'hw/i386/pc: Use e820_get_num_entries() to access 
> e820_entries'
> 002/15:[----] [-C] 'hw/i386/pc: Extract e820 memory layout code'
> 003/15:[----] [--] 'hw/i386/pc: Use address_space_memory in place'
> 004/15:[----] [-C] 'hw/i386/pc: Rename bochs_bios_init as more generic 
> fw_cfg_arch_create'
> 005/15:[----] [--] 'hw/i386/pc: Pass the boot_cpus value by argument'
> 006/15:[----] [--] 'hw/i386/pc: Pass the apic_id_limit value by argument'
> 007/15:[0002] [FC] 'hw/i386/pc: Pass the CPUArchIdList array by argument'
> 008/15:[down] 'hw/i386/pc: Remove unused PCMachineState argument in 
> fw_cfg_arch_create'
> 009/15:[----] [-C] 'hw/i386/pc: Let pc_build_smbios() take a FWCfgState 
> argument'
> 010/15:[----] [-C] 'hw/i386/pc: Let pc_build_smbios() take a generic 
> MachineState argument'
> 011/15:[----] [-C] 'hw/i386/pc: Rename pc_build_smbios() as generic 
> fw_cfg_build_smbios()'
> 012/15:[----] [--] 'hw/i386/pc: Let pc_build_feature_control() take a 
> FWCfgState argument'
> 013/15:[----] [--] 'hw/i386/pc: Let pc_build_feature_control() take a 
> MachineState argument'
> 014/15:[----] [--] 'hw/i386/pc: Rename pc_build_feature_control() as generic 
> fw_cfg_build_*'
> 015/15:[0017] [FC] 'hw/i386/pc: Extract the x86 generic fw_cfg code'
> 
> Regards,
> 
> Phil.
> 
> [0] 
> https://github.com/intel/nemu/commit/3cb92d080835ac8d47c8b713156338afa33cff5c
> [1] https://lists.gnu.org/archive/html/qemu-devel/2019-05/msg05759.html
> [2] https://lists.gnu.org/archive/html/qemu-devel/2019-06/msg02786.html
> [3] https://lists.gnu.org/archive/html/qemu-devel/2019-07/msg00193.html
> 
> Philippe Mathieu-Daudé (15):
>   hw/i386/pc: Use e820_get_num_entries() to access e820_entries
>   hw/i386/pc: Extract e820 memory layout code
>   hw/i386/pc: Use address_space_memory in place
>   hw/i386/pc: Rename bochs_bios_init as more generic fw_cfg_arch_create
>   hw/i386/pc: Pass the boot_cpus value by argument
>   hw/i386/pc: Pass the apic_id_limit value by argument
>   hw/i386/pc: Pass the CPUArchIdList array by argument
>   hw/i386/pc: Remove unused PCMachineState argument in
>     fw_cfg_arch_create
>   hw/i386/pc: Let pc_build_smbios() take a FWCfgState argument
>   hw/i386/pc: Let pc_build_smbios() take a generic MachineState argument
>   hw/i386/pc: Rename pc_build_smbios() as generic fw_cfg_build_smbios()
>   hw/i386/pc: Let pc_build_feature_control() take a FWCfgState argument
>   hw/i386/pc: Let pc_build_feature_control() take a MachineState
>     argument
>   hw/i386/pc: Rename pc_build_feature_control() as generic
>     fw_cfg_build_*
>   hw/i386/pc: Extract the x86 generic fw_cfg code
> 
>  hw/i386/Makefile.objs        |   2 +-
>  hw/i386/e820_memory_layout.c |  59 ++++++++++
>  hw/i386/e820_memory_layout.h |  42 ++++++++
>  hw/i386/fw_cfg.c             | 136 +++++++++++++++++++++++
>  hw/i386/fw_cfg.h             |   7 ++
>  hw/i386/pc.c                 | 202 ++---------------------------------
>  include/hw/i386/pc.h         |  11 --
>  target/i386/kvm.c            |   1 +
>  8 files changed, 254 insertions(+), 206 deletions(-)
>  create mode 100644 hw/i386/e820_memory_layout.c
>  create mode 100644 hw/i386/e820_memory_layout.h
> 

Queued, thanks.

Paolo



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